2021 Subaru Outback electrical system problems
75 owner complaints filed with NHTSA name the electrical system on the 2021 Subaru Outback — 25% of all complaints for this model year.
What owners report
“Vehicle's Auto Start-Stop system shut the engine off while stopped at a red light in [XXX], in rainy conditions in late XXX at approximately 29,000 miles. When the brake was released after the light turned green, the engine did not restart, leaving it stopped in the travel lane in live traffic. The…”
filed Aug 26, 2026
“I am reporting a serious and intermittent steering safety issue with my 2021 Subaru Outback. On two separate occasions, the vehicle suddenly lost what appeared to be power-steering assistance while the vehicle was in motion, causing the steering wheel to become extremely difficult to turn. The…”
filed Aug 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin announces reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4 Denso CP1 Audio and Navigation head units utilized in the models listed.This is an…
15-261-20R · Service Bulletin/Repair Instructions · issued Aug 31, 2026This Announcement provides diagnostic assistance for CVT issues.
SubaruNet Announcement (C · Other · issued Aug 21, 2026This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or…
15-308-23R · Service Bulletin/Repair Instructions · issued Aug 20, 2026This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. (This is an revised version of the original bulletin.)
15-304-22R · Service Bulletin/Repair Instructions · issued Aug 13, 2026
Electrical System problems in other Outback years
| Year | Reports | Share |
|---|---|---|
| 2025 Outback | 12 | 15% |
| 2024 Outback | 16 | 16% |
| 2023 Outback | 17 | 19% |
| 2022 Outback | 51 | 11% |
| 2020 Outback | 258 | 29% |
| 2019 Outback | 363 | 35% |
| 2018 Outback | 265 | 33% |
| 2017 Outback | 391 | 43% |
| 2016 Outback | 309 | 48% |
| 2015 Outback | 127 | 25% |
| 2014 Outback | 32 | 15% |
| 2013 Outback | 23 | 8% |
Other reported problem areas on the 2021 Subaru Outback
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.